#pragma once 

typedef struct 
{
    int user_id;
    char user_name[20];
    char user_pwd[20];
    char user_sex[4];
    /* data */
}USER_T;



typedef struct 
{
    int friend_id;
    char friend_name[20];
    char friend_path[30]; 
}FRI_T;


typedef struct 
{
    int send_id;
    int recv_id;
    char masg[100];
}CHAT_T;

